ASME PTC 19.2 10:2010 Edition

$98.04

ASME PTC 19.2 Pressure Measurement Instruments and Apparatus Supplement

Published By	Publication Date	Number of Pages
ASME	2010	96

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Description

PDF Catalog

PDF Pages	PDF Title
5	CONTENTS FIGURES
7	TABLES
8	NOTICE
9	FOREWORD ACKNOWLEDGMENTS
10	COMMITTEE ROSTER
11	CORRESPONDENCE WITH THE PTC 19.2 COMMITTEE
13	Section 1 Object and Scope 1- 1 OBJECT 1- 2 SCOPE 1-3 UNCERTAINTY
14	Section 2 Definitions and Terms 2- 1 INTRODUCTION 2- 2 DEFINITIONS
15	2- 3 UNITS 2- 4 DYNAMIC MEASUREMENTS 2-2-1 Pressure Terminology
16	2- 5 USE OF CONTROL AND OPERATING INSTRUMENTATION 2-3-1 Pressure Conversion Factors
17	2- 6 TWO- PHASE FLUID SYSTEMS
18	Section 3 Measurement Devices 3- 1 TYPES OF DEVICES
19	3-1.1-1 Typical Pressure Devices 3-1.2.1-1 Wheatstone Bridge
20	3-1.2.1-2 Bonded Strain Gauge 3-1.2.2-1 Typical Deposited-Thin-Film Strain Gauge
21	3-1.2.3-1 Typical Piezoresistive Pressure Sensor
22	3-1.2.4-1 Typical Variable Capacitive Pressure Sensor 3-1.2.5-1 Photoelectric Pressure Sensor
23	3-1.2.6-1 Inductive Pressure Sensor 3-1.2.7-1 Preferred Schematic Representation of the Linear Variable Differential Transformer (LVDT) 3-1.2.8-1 Piezoelectric Pressure Sensor
24	3- 2 PRESSURE TRANSMITTERS AND THEIR APPLICATIONS 3-1.2.9-1 Pressure Transducer With Vibrating Element
25	3-1.3-1 Pressure Instrument Summary
27	3-2.1.1-1 Typical Flow Installations
28	3-2.1.1-2 Exploded View of Differential-Pressure Transmitter
29	3-2.1.2.1-1 Flange-Mounted Transmitters (Courtesy of The Foxboro Company)
30	3-2.1.2.1-2 Flange Transmitter Mounted Directly to Tank Nozzle 3-2.1.2.1-3 Open-Tank Installation With Remote-Seal Type of Transmitter
31	3-2.1.2.2-1 Schematic Diagram of Closed-Tank Transmitter Primary 3-2.1.2.2-1 Seal-Fluid Selection Chart
32	3-2.1.2.2-2 Closed-Tank Installation, Dry Leg
33	3-2.1.2.2-3 Closed-Tank Installation, Dry Leg Transmitter Above Datum Line
34	3-2.1.2.2-4 Closed-Tank Installation, Dry Leg Transmitter Below Datum Line
35	3-2.1.2.2-5 Closed-Tank Installation, Wet Leg
36	3-2.1.2.2-6 Closed-Tank Installation, Wet Leg Transmitter Above Datum Line 3-2.1.2.2-2 Type of Calibration Required for Various Transmitter Applications
37	3-2.1.2.2-7 Closed-Tank Installation, Wet Leg Transmitter Below Datum Line 3-2.1.3.2-1 Variations in Density for Different Fluids
38	3-2.1.2.2-8 Closed-Tank Installation, Dry Leg Transmitter Above Upper Process Tap 3-2.1.2.3-1 Repeater-Type Level-Measurement Device
39	3-2.1.3.1-1 Hydrostatic Head Provides One Method of Density Measurement 3-2.1.3.1-2 Differential Hydrostatic Head Increases Sensitivity of Density Measurement
40	3-2.1.3.2-1 Common Method of Measuring Density of a Process Liquid 3-2.2.1-1 Typical Drum Water Level
41	3-3.1.1-1 Bourdon Gauge
42	3-3.1.1-2 Bourdon Tubes 3-3.1.2-1 Bellows Gauge
43	3- 3 ELASTIC GAUGES AND THEIR APPLICATIONS 3-3.1.3-1 Slack Diaphragm Gauge
47	FORM 3-3.6-1 Recording of Gauge-Test Data Sample
48	Section 4 Calibration and Standards 4-1 Pressure-Measurement Calibration Hierarchy
49	Section 5 Measurement Installations 5- 1 PRESSURE TAPS 5- 2 PRESSURE PROBES
50	5-1-1 Tap Geometry 5-1.1-1 Errors for Different Size Taps in Fully Developed Pipe Flow
51	5-1.2-1 Relative Tap Errors as Percent of Dynamic Pressure
52	5-2.1.1-1 Impact Tube
53	5-2.1.1-2 Variation of Total Pressure Indication With Angle of Attack and Geometry for Pitot Tubes
54	5-2.1.2-1 Keil Probe 5-2.1.2-2 Total Pressure Location on a Cylinder in a Flow Field
55	5-2.2.1-2 Pitot-Static Tube 5-2.2.2-1 Cylindrical Probe, Principle of Operation
56	5-2.2.2-2 Wedge-Type Probe 5-2.2.2-3 Spherical- and Cone-Type Probes
57	5-2.2.3-1 Basket Probe 5-2.2.3-2 Alternate Basket Probe
58	5-2.2.4-1 Magnitude of Probe-Blockage Effects, Pressure Error
59	5- 3 CONNECTING PIPING 5-2.2.4-2 Magnitude of Probe-Blockage Effects, Mach Number
60	5- 4 DIAPHRAGM SEALS
61	5-4.3-1 Seal Assembled With Capillary 5-4.3-2 Diaphragm Seals and In-Line Diaphragm Seals Installed
62	5-4.3-3 Diaphragm Seals and Probe Seal Installed 5-4.3-4 Threaded Diaphragm Seal 5-4.3-5 Flanged Diaphragm Seals
63	5-4.3-6 Integral Flange and Diaphragm Seal 5-4.3-7 Separate Flange and Diaphragm Seal 5-4.3-8 Pancake Diaphragm Seal With Capillary Connection
64	5-4.3-9 Pancake Diaphragm Seal Installed 5-4.3-10 Flange Extension
65	5-4.3-11 Pancake Extension
66	5-4.7-1 Vapor Pressure Curve of a Fill-Fluid
67	5- 5 INSTALLATION EFFECTS 5-4.9-1 Response Time
68	5-4.10-1 Installation Consideration of Pressure Instrument and Diaphragm Seals
69	Section 6 Uncertainties in Pressure Measurement 6- 1 INTRODUCTION 6- 2 COMBINED STANDARD UNCERTAINTY AND EXPANDED UNCERTAINTY 6- 3 RANDOM STANDARD UNCERTAINTY 6- 4 USING ELEMENTAL RANDOM ERROR SOURCES
70	6- 5 SYSTEMATIC STANDARD UNCERTAINTY 6- 6 PROPAGATION OF MEASUREMENT UNCERTAINTIES INTO A RESULT 6- 7 UNCERTAINTY OF MEASUREMENTS ( EXAMPLE)
71	6-7-1 Uncertainty Due to Random Error 6-7-2 Throttle-Pressure Uncertainties 6-7-3 Exhaust-Pressure Uncertainties 6-7-4 Condensate-Flow Uncertainties
73	NONMANDATORY APPENDIX A PISTON GAUGES A- 1 PISTON GAUGES
79	B MANOMETERS B- 1 MANOMETERS
84	C LOW- ABSOLUTE- PRESSURE ( VACUUM) INSTRUMENTS C- 1 UNITS AND TERMINOLOGY C- 2 TECHNOLOGY C- 3 DIRECT MEASURING DEVICES
85	Table C- 1- 1 Vacuum Measurement Units
87	C- 4 INFERENTIAL MEASURING DEVICES
93	C- 5 APPLICATIONS CONSIDERATIONS
94	D REFERENCES AND BIBLIOGRAPHY D- 1 REFERENCES D- 2 BIBLIOGRAPHY